d3d12_surface.h

/*
 * Copyright © Microsoft Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 */

#ifndef D3D12_SURFACE_H
#define D3D12_SURFACE_H

#include "pipe/p_state.h"

#include <directx/d3d12.h>

struct d3d12_descriptor_handle;
struct pipe_context;

struct d3d12_surface {
   struct pipe_surface base;
   struct d3d12_descriptor_handle uint_rtv_handle;
   struct pipe_resource *rgba_texture;

   struct d3d12_descriptor_handle desc_handle;
};

enum d3d12_surface_conversion_mode {
   D3D12_SURFACE_CONVERSION_NONE,
   D3D12_SURFACE_CONVERSION_RGBA_UINT,
   D3D12_SURFACE_CONVERSION_BGRA_UINT,
};

static inline struct d3d12_surface *
d3d12_surface(struct pipe_surface *psurf)
{
   return (struct d3d12_surface *)psurf;
}

enum d3d12_surface_conversion_mode
d3d12_surface_update_pre_draw(struct d3d12_surface *surface,
                              DXGI_FORMAT format);

void
d3d12_surface_update_post_draw(struct d3d12_surface *surface,
                               enum d3d12_surface_conversion_mode mode);

D3D12_CPU_DESCRIPTOR_HANDLE
d3d12_surface_get_handle(struct d3d12_surface *surface,
                         enum d3d12_surface_conversion_mode mode);

void
d3d12_context_surface_init(struct pipe_context *context);

#endif